CN210005849U

CN210005849U - portable projector

Info

Publication number: CN210005849U
Application number: CN201920749301.2U
Authority: CN
Inventors: 叶莉; 刘锐; 郭显睿
Original assignee: Yangzhou Polytechnic Institute
Current assignee: Yangzhou Polytechnic Institute
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-01-31
Anticipated expiration: 2029-05-23

Abstract

The utility model relates to an portable projection arrangement belongs to projection equipment technical field including projecting apparatus body, casing, two sets of fork telescopic bracket of cutting, place board, curtain, coiling axle, to lead screw, curtain, two sets of linear rails, to adjusting nut, dead lever, two sets of servo motor , rack, gear, the utility model has the advantages of simple and reasonable structure, the manufacturing is easy, and the accessible lead screw drives curtain seat roll-off, is similar to the drawer structure, recycles the fork telescopic bracket of cutting and expandes the curtain, integrates projecting apparatus and curtain in the body, facilitates the use and carries, has practiced thrift space resources, has broad market space.

Description

portable projector

Technical Field

The utility model relates to an portable projection arrangement belongs to projection equipment technical field.

Background

The combination of a projector and a curtain is often applied to viewing and demonstration, the projector on the market is sold and carried separately, is used for projection, the curtain needs to be placed well in , the projector is started, and pictures are mapped on the curtain through the projector to achieve the demonstration effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the not enough of above-mentioned prior art, provide kinds of portable projection arrangement, the device with projecting apparatus and curtain integration in the body, facilitate the use and carry.

The technical scheme of the utility model as follows:

A portable projection device is characterized by comprising a projector body, a shell, two sets of scissor telescopic brackets, a pair screw, a curtain placing plate, a curtain, a winding shaft and a pair screw mounting seat, wherein the projector body is arranged in the shell, a notch for extending a lens of the projector body is arranged at the top of the shell, two sets of linear rails are symmetrically arranged at the bottom in the shell, pair screw mounting seats are respectively and slidably connected with the two sets of linear rails, the curtain placing plate is horizontally and fixedly connected to the tail of pair screw mounting seats, the side of the shell is of an open structure so that the screw mounting seats can smoothly slide out of the shell, the bottoms of the two sets of scissor telescopic brackets are respectively and in threaded connection with corresponding screws through adjusting nuts, the tops of the two sets of scissor telescopic brackets are commonly clamped with fixing rods, the winding shaft is arranged on the curtain placing plate and corresponds to the positions of the connecting rods, a end of the curtain is wound on the winding shaft, and the other end of the curtain is.

Preferably, two sets of servo motors are respectively arranged in the shell, racks are arranged on the outer wall of the lead screw mounting seat along the length direction of the lead screw mounting seat, and the servo motors are respectively in meshing transmission with the corresponding racks through gears so as to drive the corresponding lead screw mounting seats to slide out of the shell.

Preferably, a second servo motor for driving the winding shaft to rotate is arranged at the curtain placing plate.

Preferably, two sets of servo motors III for driving the screw rods are further arranged at the curtain placing plate.

Preferably, the outer side of the curtain placing plate is fixedly connected with a vertical baffle plate for covering the open structure of the shell.

Preferably, a top cover is screwed at the notch on the top of the shell.

Preferably, the shell is formed by connecting an upper shell and a lower shell.

Preferably, each group of scissor telescopic brackets is formed by hinging a plurality of pairs of connecting rods which are arranged in a crossed manner, the bottom of each group of scissor telescopic brackets is fixedly connected with the end part of a lead screw through connecting rods, and in addition, connecting rods are in threaded connection with the lead screw through adjusting nuts.

The utility model discloses an among the projection arrangement, start servo motor , accessible gear, rack toothing transmission make lead screw mount pad roll-off or slide into the casing, start servo motor two, can make the curtain at the epaxial rolling of coiling or unreel, start servo motor three, accessible lead screw and adjusting nut's cooperation can make cuts fork telescopic bracket open or contract, thereby the dead lever by the top drives the rise or the decline of curtain, through each servo motor, expand the curtain back, open the top cap at casing top, expose the camera lens of projecting apparatus, and just to the curtain direction, adjust the camera lens focus, can use.

The utility model has the advantages of simple and reasonable structure, the manufacturing is easy, and the accessible lead screw drives curtain seat roll-off, is similar to the drawer structure, recycles and cuts fork telescopic bracket expansion curtain, integrates in the body with projecting apparatus and curtain, facilitates the use and carries, has practiced thrift space resources, has wide market space.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention with the housing removed;

FIG. 3 is a partial enlarged view of the present invention;

FIG. 4 is a schematic view of the bottom structure inside the casing of the present invention;

fig. 5 is a schematic view of the screw, the screw mounting base and the linear rail according to the present invention;

fig. 6 is a schematic view of the gear, rack, and lead screw mounting base of the present invention;

fig. 7 is a schematic view of the curtain of the present invention after it is completely raised.

Detailed Description

As shown in the figure, kinds of portable projection devices include projector body 1, casing 2, two sets of scissors fork telescopic bracket 3, to lead screw 4, curtain board 5, curtain 18, winding shaft 6, to lead screw mount pad 7, two sets of linear rails 9, to adjusting nut 10, dead lever 11, two sets of servo motor 12, rack 13, gear 14, vertical baffle 15.

The casing is formed by connecting upper casing 16, lower casing 17, and in the casing was arranged in to the projecting apparatus body, the casing top was equipped with the breach 8 that supplies the camera lens of projecting apparatus body to stretch out, and this breach department threaded connection has the top cap.

The bottom symmetry is equipped with two sets of linear rails 9 in the casing, to the lead screw mount pad respectively with two sets of linear rails sliding connection, and the curtain is placed the horizontal fixed connection of board in to the lead screw mount pad afterbody, and casing side is uncovered structure to outside the lead screw mount pad slided out the casing smoothly, the outside fixedly connected with vertical baffle 15 of board is placed to the curtain for the uncovered structure department that the lid fits the casing.

Each group of scissor telescopic brackets is formed by hinging a plurality of pairs of connecting rods which are arranged in a crossed manner, the bottom of each group of scissor telescopic brackets is fixedly connected with the end part of a lead screw by connecting rods, the other connecting rods are in threaded connection with the lead screw by adjusting nuts 10, the tops of the two groups of scissor telescopic brackets are jointly clamped and connected with a fixed rod 11, a winding shaft is arranged on a curtain placing plate and corresponds to the position of the connecting rods, the end of the curtain is wound on the winding shaft, and the other end of the curtain is connected with the fixed rod.

Two groups of servo motors 12 are respectively arranged in the shell, racks 13 are arranged on the outer wall of the lead screw mounting seat along the length direction of the lead screw mounting seat, the servo motors are respectively in meshed transmission with the corresponding racks through gears 14 to drive the corresponding lead screw mounting seat to slide out of the shell, a second servo motor for driving the winding shaft to rotate is arranged at the curtain placing plate and used for winding and unwinding the curtain, and a third servo motor for driving the lead screw is further arranged at the curtain placing plate and used for unfolding or shrinking the scissor telescopic support.

Claims

The utility model provides a portable projection arrangement, characterized by, including projecting apparatus body (1), casing (2), two sets of scissors fork telescopic bracket (3), are to lead screw (4), curtain board (5), curtain (18), winding shaft (6), are to lead screw mount pad (7), the projecting apparatus body is arranged in the casing, the casing top is equipped with the breach (8) that supplies the camera lens of projecting apparatus body to stretch out, the bottom symmetry is equipped with two sets of linear rails (9) in the casing, is to lead screw mount pad respectively with two sets of linear rails sliding connection, curtain board level fixed connection is in to the afterbody of lead screw mount pad, casing side is open structure, so that lead screw mount pad slides out the casing smoothly, the bottom of two sets of scissors fork telescopic bracket is respectively through adjusting nut (10) and corresponding lead screw threaded connection, its top centre gripping is connected with dead lever (11) jointly, the winding shaft is installed at the board, and with the connecting rod position correspondence, the end of 5 of curtain is rolled up in the winding shaft, the end is continuous with the dead lever in addition.
2. The kinds of portable projection devices of claim 1, wherein two sets of servo motors (12) are respectively disposed in the housing, the outer wall of the lead screw mounting base is provided with a rack (13) along its length direction, and the servo motors are respectively driven by gears (14) to mesh with the corresponding racks to drive the corresponding lead screw mounting base to slide out of the housing.
3. The portable projector of claim 2, wherein a second servo motor is provided on the curtain plate to drive the winding shaft to rotate.
4. The kind of portable projection device of claim 3, wherein two sets of three servo motors are further provided at the curtain placing plate for driving the lead screw.
5. The portable projector of claim 1, wherein a vertical baffle (15) is fixed to the outer side of the curtain board for covering the open structure of the housing.
6. The portable projector of claim 1, wherein a top cover is screwed into the top of the housing at the notch.
7. Portable projection device according to claim 1, wherein the housing is formed by connecting an upper shell (16) and a lower shell (17).
8. The kinds of portable projector as claimed in claim 1, wherein each set of scissor brackets is formed by hinging a plurality of pairs of cross-arranged connecting rods, and each set of scissor brackets has a bottom portion, wherein connecting rods are fixedly connected with the end of the lead screw, and connecting rods are in threaded connection with the lead screw through adjusting nuts.